GOING VEGAN!

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Across
  1. 2. natural substances, e.g. water, that are used in human activity
  2. 5. carbon dioxide produced by cars, factories, etc. that harms the environment
  3. 7. harm that will last for a long time or forever
  4. 8. to exchange one thing for another thing
Down
  1. 1. to cut down all the trees
  2. 3. to stop considering something as a possibility
  3. 4. farm animals and birds, e.g. cows and chickens
  4. 6. health and hapiness